package com.example.test;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.event.ApplicationEventMulticaster;
import org.springframework.context.event.SimpleApplicationEventMulticaster;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;


@EnableConfigurationProperties(CustomProperties.class)
public class CustomAutoConfig {

    @Bean
    @ConditionalOnProperty(prefix = "sai.auto", name = "enable",havingValue = "true")
    CommandLineRunner createCustomCommandLineRunner(Environment env){
        return new CustomCommandLineRunner(env);
    }

    @Bean(AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME)
    ApplicationEventMulticaster customApplicationEventMulticaster(ThreadPoolTaskExecutor taskExecutor){
        SimpleApplicationEventMulticaster eventMulticaster = new SimpleApplicationEventMulticaster();
        eventMulticaster.setTaskExecutor(taskExecutor);
        return eventMulticaster;
    }

    static class NoticeEvent extends ApplicationEvent{

        private static final Logger logger = LoggerFactory.getLogger(NoticeEvent.class);

        private final String message;

        public NoticeEvent(String message) {
            super(message);
            this.message = message;
            logger.info("成功添加事件! message: {}",message);
        }

        public String getMessage(){
            return message;
        }
    }

    @Component
    static class NoticeListener implements ApplicationListener<NoticeEvent>{
        private static final Logger logger = LoggerFactory.getLogger(NoticeListener.class);

        @Override
        public void onApplicationEvent(NoticeEvent noticeEvent){
            logger.info("事件监听器监听到 NoticeEvent，睡眠当前线程2秒");
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e){
                e.printStackTrace();
            }
            logger.info("NoticeEvent 的message属性是: {}",noticeEvent.getMessage());
        }
    }

    @Component
    static class ApplicationReadyListener implements ApplicationListener<ApplicationReadyEvent>{
        @Override
        public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent){
            try {
                System.out.println("ApplicationReadyEvent 已启动");
            } catch (Exception e){
                e.printStackTrace();
            }
        }

    }

}
